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<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* Handles grouping of devices and admins (user of system).
* Admin is user who has remote access to this device.
*
* @package Controller
*/
class Device_admins_Controller extends Controller
{
/**
* Constructor, only test if networks is enabled
*/
public function __construct()
{
parent::__construct();
// access control
if (!Settings::get('networks_enabled'))
Controller::error (ACCESS);
}
/**
* Edits devices of which is user admin
*
* @author Michal Kliment
* @param integer $user_id
*/
public function edit($device_id = NULL)
{
// access control
if (!$this->acl_check_new('Devices_Controller', 'admin'))
Controller::error(ACCESS);

// bad parameter
if (!isset($device_id) || !is_numeric($device_id))
Controller::warning(PARAMETER);

// device doesn't exist
$device = new Device_Model($device_id);
// record doesn't exist
if (!$device->id)
Controller::error(RECORD);
$user_model = new User_Model();
$users = $user_model->select_list_grouped(FALSE);
$sel_users = array();
foreach ($device->device_admins as $device_admin)
$sel_users[] = $device_admin->user->id;
$form = new Forge();
$form->dropdown('users[]')
->label('Users')
->options($users)
->selected($sel_users)
->multiple('multiple')
->size(20);
$form->submit('Update');
// form is validate
if ($form->validate())
{
$users = (isset($_POST['users'])) ? $_POST['users'] : array();
$device_admin_model = new Device_admin_Model();
$device_admin_model->transaction_start();
try
{
// iterates all current devices of which is user admin
foreach ($device->device_admins as $device_admin)
{
// device is still in list
if (($pos = array_search($device_admin->user->id, $users)) !== FALSE)
unset ($users[$pos]);
// device is not in list - deletes it from list of devices of which is user admin
else
$device_admin->delete_throwable();
}
// adds devices to list of devices of which is user admin
foreach ($users as $user)
{
$device_admin_model->clear();
$device_admin_model->device_id = $device->id;
$device_admin_model->user_id = $user;
$device_admin_model->save_throwable();
}
$device_admin_model->transaction_commit();
status::success('Device admin has been successfully updated.');
}
catch (Exception $e)
{
$device_admin_model->transaction_rollback();
Log::add_exception($e);
status::error('Error - cannot update device admin.', $e);
}
url::redirect('devices/show/'.$device->id);
}
$headline = __('Edit admin of devices') . ': ' .$device->name;

// breadcrumbs navigation
$breadcrumbs = breadcrumbs::add()
->link('members/show_all', 'Members',
$this->acl_check_view('Members_Controller', 'members'))
->link('members/show/' . $device->user->member->id,
'ID ' . $device->user->member->id . ' - ' . $device->user->member->name,
$this->acl_check_view('Members_Controller', 'members', $device->user->member->id))
->link('users/show_by_member/' . $device->user->member_id, 'Users',
$this->acl_check_view('Users_Controller', 'users', $device->user->member_id))
->link('users/show/' . $device->user->id,
$device->user->name . ' ' . $device->user->surname . ' (' . $device->user->login . ')',
$this->acl_check_view('Users_Controller', 'users', $device->user->member_id))
->link('devices/show_by_user/' . $device->user_id,'Devices',
$this->acl_check_view('Devices_Controller', 'devices', $device->user->member_id))
->link('devices/show/' . $device->id,
($device->name != '' ? $device->name : $device->id),
$this->acl_check_view('Devices_Controller', 'devices', $device->user->member_id))
->text('Edit device admins');

$view = new View('main');
$view->title = $headline;
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('form');
$view->content->headline = $headline;
$view->content->form = $form;
$view->render(TRUE);
}

/**
* Edits devices of which is user admin
*
* @author Michal Kliment
* @param integer $user_id
*/
public function edit_user($user_id = NULL)
{
// access control
if (!$this->acl_check_new('Devices_Controller', 'admin'))
Controller::error(ACCESS);

// bad parameter
if (!isset($user_id) || !is_numeric($user_id))
Controller::warning(PARAMETER);

// user doesn't exist
$user = new User_Model($user_id);
// record doesn't exist
if (!$user->id)
Controller::error(RECORD);
$device_model = new Device_Model();
$devices = $device_model->select_list_device();
$form = new Forge();
$sel_devices = array();
foreach ($user->device_admins as $device_admin)
$sel_devices[] = $device_admin->device->id;
$form->dropdown('devices[]')
->label('Devices')
->options($devices)
->selected($sel_devices)
->multiple('multiple')
->size(20);
$form->submit('Update');
// form is validate
if ($form->validate())
{
$devices = (isset($_POST['devices'])) ? $_POST['devices'] : array();
$device_admin_model = new Device_admin_Model();
try
{
$device_admin_model->transaction_start();
// iterates all current devices of which is user admin
foreach ($user->device_admins as $device_admin)
{
// device is still in list
if (($pos = array_search($device_admin->device->id, $devices)) !== FALSE)
unset ($devices[$pos]);
// device is not in list - deletes it from list of devices of which is user admin
else
$device_admin->delete_throwable();
}
// adds devices to list of devices of which is user admin
foreach ($devices as $device)
{
$device_admin_model->clear();
$device_admin_model->device_id = $device;
$device_admin_model->user_id = $user->id;
$device_admin_model->save_throwable();
}
$device_admin_model->transaction_commit();
status::success('Device admin has been successfully updated.');
}
catch (Exception $e)
{
$device_admin_model->transaction_rollback();
Log::add_exception($e);
status::error('Error - cannot update device admin.', $e);
}
url::redirect(url_lang::base().'users/show/'.$user->id);
}
$headline = __('Edit admin of devices') . ': ' .
__('' . $user->name . ' ' . $user->surname);

// breadcrumbs navigation
$breadcrumbs = breadcrumbs::add()
->link('members/show_all', 'Members',
$this->acl_check_view('Members_Controller', 'members'))
->link('members/show/' . $user->member->id,
'ID ' . $user->member->id . ' - ' . $user->member->name,
$this->acl_check_view('Members_Controller', 'members', $user->member->id))
->link('users/show_by_member/' . $user->member_id, 'Users',
$this->acl_check_view('Users_Controller', 'users', $user->member_id))
->link('users/show/' . $user->id,
$user->name . ' ' . $user->surname . ' (' . $user->login . ')',
$this->acl_check_view('Users_Controller', 'users', $user->member_id))
->text('Edit admin of devices');

$view = new View('main');
$view->title = $headline;
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('form');
$view->content->headline = $headline;
$view->content->form = $form;
$view->render(TRUE);
}

/**
* Deletes device admin
*
* @author Michal Kliment
* @param integer $device_admin_id
*/
public function delete($device_admin_id = NULL)
{
// bad parameter
if (!$device_admin_id || !is_numeric($device_admin_id))
Controller::warning(PARAMETER);

$device_admin = new Device_admin_Model($device_admin_id);

// record doesn't exist
if (!$device_admin->id)
Controller::error(RECORD);

// access control
if (!$this->acl_check_delete('Devices_Controller', 'admin'))
Controller::error(ACCESS);

// success
if ($device_admin->delete())
{
status::success('Device admin has been successfully removed.');
}

url::redirect(Path::instance()->previous());
}

}
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